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e-GMAT Representative V
Joined: 04 Jan 2015
Posts: 3024
A set contains 5 integers {a, b, c, d, e}, which are evenly distribute  [#permalink]

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Difficulty:   5% (low)

Question Stats: 87% (01:20) correct 13% (01:09) wrong based on 109 sessions

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Solve any Median and Range question in a minute- Exercise Question #4

A set contains 5 integers {a, b, c, d, e}, which are evenly distributed and are arranged in increasing order of value. What is the value of c?

Statement 1: The smallest integer of the set is 4
Statement 2: Range of the set is 12

To solve all the practice questions Solve any Median and Range question in a minute - Practice Questions

To read 1st article: Solve any Mean and Standard deviation question under a minute

To read the 2nd article : Solve any Median and Range question in a minute

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Originally posted by EgmatQuantExpert on 11 Jul 2018, 08:04.
Last edited by EgmatQuantExpert on 13 Aug 2018, 00:52, edited 3 times in total.
Senior Manager  G
Joined: 21 Jan 2015
Posts: 458
Location: India
Concentration: Strategy, Marketing
GMAT 1: 620 Q48 V28 GMAT 2: 690 Q49 V35 WE: Sales (Consumer Products)
Re: A set contains 5 integers {a, b, c, d, e}, which are evenly distribute  [#permalink]

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Ans: C
Statment: set {a, b, c, d, e}, which are evenly distributed and are arranged in increasing order of value.
means b= a+x, c=a+2x, d= a+3x, e=a+4x and so on.. what is c???

now from stat:1) a=4 ; c= 4+2x .. as we do not know anything about the x here (not Suff)
stat:2) Range of set is 12
means e-a= 12 ; a+4x-a=12 so x=3
and c= a +2x : so c= a+6, but we don't know the value of a so (not suff)
State 1&2) we know the value of a and x so c= 4+6= 10 (Suff)

EgmatQuantExpert wrote:
Solve any Median and Range question in a minute- Exercise Question #4

A set contains 5 integers {a, b, c, d, e}, which are evenly distributed and are arranged in increasing order of value. What is the value of c?

Statement 1: The smallest integer of the set is 4
Statement 2: Range of the set is 12

To read the article: Solve any Median and Range question in a minute

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The Mind is Everything, What we Think we Become.
e-GMAT Representative V
Joined: 04 Jan 2015
Posts: 3024
Re: A set contains 5 integers {a, b, c, d, e}, which are evenly distribute  [#permalink]

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1

Solution

Given:
• 5 integers are evenly distributed and arranged in increased order.

To find:
• The value of c

Statement-1: “The smallest integer of the set is 4“
a= 4
This does not give us any information about c.
Hence, Statement 1 alone is not sufficient to answer the question.

Statement-2: “Range of the set is 12 “
Since all the 5 elements are evenly distributed, we can assume the b= a+r, c= b+r= a+2r and so on.
• Hence, d= a+3r and e= a+4r
Now, range is 12.
Hence, e-a= 12
• a+4r-a= 12
• r= 3
• Hence, c= a+6
• But we don’t know the value of a.
Statement 2 alone is not sufficient to answer the question.

Combining both the statements:
From Statement 1:
a=4
From Statement 2:
c=a+6
Hence, c= 10
Hence, we can find the answer by combining both the statements.

Statement (1) and (2) together are sufficient to answer the question.
Hence, the correct answer is option C.

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Re: A set contains 5 integers {a, b, c, d, e}, which are evenly distribute  [#permalink]

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_________________ Re: A set contains 5 integers {a, b, c, d, e}, which are evenly distribute   [#permalink] 17 Aug 2019, 13:35
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